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Finding the Fourth Proportional to 276,696.60, 415,044.90 and 252,202.20

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Solution

The fourth proportional to 276,696.60, 415,044.90 and 252,202.20 is: 378,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,696.60 : 415,044.90 = 252,202.20 : x
  2. Step 2: Convert to fraction form
    276,696.60/415,044.90 = 252,202.20/x
  3. Step 3: Cross multiply
    276,696.60x = 415,044.90 × 252,202.20
  4. Step 4: Simplify right side
    276,696.60x = 104,675,236,878.78
  5. Step 5: Solve for x
    x = 104,675,236,878.78/276,696.60
  6. Step 6: Final answer
    x = 378,303.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.